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Road vehicles — Vehicle-to-Grid Communication Interface — Part 2: Network and application protocol requirements

Physical layer and data link layer requirements for wireless communication

Wireless Power Transfer for Light-Duty Plug-In/ Electric Vehicles and Alignment Methodology 无线充电SAE相关标准

The purpose of J2931/6 is to complement J2954 and J2847/6 as it describes the physical layer communication between the EVSE and the PEV. The use cases for communications between a PEV and the utility are described in J2836/6™ with the message details included in J2847/6. This document is intended to describe the issues with PEV association, interoperability with various PEVs and EVSE suppliers, utilities, etc. as multiple manufacturers introduce their products. Several scenarios are encountered as the customers determine their home application to PEV energy needs that also includes the Home Area Network (HAN) that interfaces with home appliances and the utility. Some customers will interface with the utility using multifamily dwellings, street parking, energy transfer at work, businesses and these all have their variations on how the PEV communicates.

This SAE Recommended Practice SAE J2847-6 establishes requirements and specifications for communications messages between wirelessly charged electric vehicles and the wireless charger. Where relevant, this document notes, but does not formally specify, interactions between the vehicle and vehicle operator. This is the 1st version of this document and captures the initial objectives of the SAE task force. The intent of step 1 is to record as much information on “what we think works” and publish. The effort continues however, to step 2 that allows public review for additional comments and viewpoints, while the task force also continues additional testing and early implementation. Results of step 2 effort will then be incorporated into updates of this document and lead to a republished version. The next revision will address the harmonization between SAE J2847-6 and ISO/IEC 15118-7 to ensure interoperability

This part of IEC 61851 applies to EV supply equipment for charging electric road vehicles, with a rated supply voltage up to 1 000 V AC or up to 1 500 V DC. and a rated output voltage up to 1 000 V AC. or up to 1 500 V DC. Electric road vehicles (EV) cover all road vehicles, including plug-in hybrid road vehicles (PHEV), that derive all or part of their energy from on-board rechargeable energy storage systems (RESS). This standard also applies to EV supply equipment supplied from on-site storage systems (e.g. buffer batteries).